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Polarization-Insensitive Wavelength Conversion by FWM of 100-GHz-Spaced DWDM 4 ,\times, 10 Gb/s RZ-BPSK Signals in a Birefringent Nonlinear AlGaAs Waveguide

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7 Author(s)
Mahmood, T. ; Lab. for Phys. Sci., College Park, MD, USA ; Astar, W. ; Cannon, B.M. ; Apiratikul, P.
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Polarization-insensitive (PI) wavelength conversion of 100-GHz-spaced wavelength-division multiplexed 4 × 10 Gb/s return-to-zero binary phase-shift keyed (RZ-BPSK) signals was successfully demonstrated utilizing four-wave mixing for the first time in a passive, birefringent nonlinear AlGaAs waveguide. In addition to a pump launch angle adjustment, a minimum pump-probe detuning was also required to mitigate polarization-induced power fluctuations in the probe. The PI-wavelength-converted signals all demonstrated a pre-amplified receiver sensitivity penalty of less than ≈ 2 dB at 10-9 bit-error-rate, relative to their respective baseline RZ-BPSK signals.

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Quantum Electronics, IEEE Journal of  (Volume:50 ,  Issue: 2 )